which translated means:
This minaret was built with the money of Al Isfaslar Abi Al-Fath ibn Muhammad ibn Abd Al-Wahed Al Nahuji. He did it that he might be closer to God, the Glorious, the Exalted, in the hope that God will reward him by looking favourably and compassionately upon him. And he finished the minaret in the year of the Hejira five hundred and one
Nahuj is a village in the neighbourhood of Ardestan, to the north-east of Isfahan, and it is an interestying co-incidence that my wife's maternal grandfather was also originally called Nahuji, before he took the name of her grandmother, Behravan, following their marriage.